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- Odile Favaron, Feng Tian, Lei Zhang
- 1997

Let δ, γ, i and α be respectively the minimum degree, the domination number, the independent domination number and the independence number of a graph G. The graph G is 3-γ-critical if γ = 3 and the… (More)

- Mei Lu, Huiqing Liu, Feng Tian
- 2005

Abstract Let G be a connected graph of order n . A dominating set in G is a subset S of V ( G ) such that each element of V ( G ) − S is adjacent to a vertex of S . The least cardinality of a… (More)

- Huiqing Liu, Mei Lu, Feng Tian
- 2004

Abstract Let G be a simple graph with n vertices and m edges and Gc be its complement. Let δ(G)=δ and Δ(G)=Δ be the minimum degree and the maximum degree of vertices of G, respectively. In this… (More)

- Mei Lu, Huiqing Liu, Feng Tian
- 2012

Abstract In the paper, we will present two sufficient conditions for a bipartite graph to be Hamiltonian and a graph to be traceable, respectively.

Abstract Let G be a simple undirected graph. For v ∈ V ( G ), the 2-degree of v is the sum of the degrees of the vertices adjacent to v . Denote by ρ ( G ) and μ ( G ) the spectral radius of the… (More)

- L. G. Zhang, Feng Tian
- 2003

Some results with respect to Hosoya index and Merrifield–Simmons index of tree-type hexagonal systems (catacondensed hydrocarbons) are shown. Using the results, the tree-type hexagonal systems with… (More)

- Mei Lu, Huiqing Liu, Feng Tian
- 2003

Let G be a simple connected graph of order n. The connectivity index R (G) of a graph G is the sum of the weights (d(u)d(v)) of all edges uv of G, where is a real number ( 6 0), and d(u) denotes the… (More)

- Wu-ming Bai, Feng Tian, Chang-yin Wang, C. L. Jiang, Zhao Guang Zhang
- Australian journal of biological sciences
- 1987

A strain of bovine ephemeral fever (BEF) virus isolated in China in 1976 was adapted to growth in tissue cultures. A baby hamster kidney complement fixing (CF) antigen, stable at -20 degrees C for at… (More)

- Mei Lu, Lian-zhu Zhang, Feng Tian
- 2007

Let G be a connected graph of order n. The diameter of G is the maximum distance between any two vertices of G. In the paper, we will give some lower bounds for the algebraic connectivity and the… (More)

- Lu Xia Mei, Lianzhu Zhang, Feng Tian
- 2006

The Randić index of an organic molecule whose molecular graph is G is the sum of the weights (d(u)d(v))− 1 2 of all edges uv of G, where d(u) and d(v) are the degrees of the vertices u and v in G. In… (More)